升级一个水平的表面流构建湿地与森林废弃物和通风
L Lopopolo1, J A Herrera-Melián2, D Arocha-Espiau2
1Università degli studi di Bari "Aldo Moro", Italy.
Journal of environmental management
|February 6, 2025
概括
使用棕树枝作为填充材料的建筑湿地可以改善废水处理. 添加空气进一步增强了BOD5和氨等污染物的去除,提供了一个可持续的解决方案.
科学领域:
- 环境工程 环境工程
- 废水处理技术 废水处理技术
- 生态工程生态工程生态工程
背景情况:
- 建筑湿地 (CWs) 是可持续的废水处理系统,但像水平表面流CWs (SF-CWs) 这样的开放系统可以容纳蚊子,造成健康风险.
- 传统的CW介质 (石,沙) 由于采矿而对环境产生影响,而CW通常需要大面积的土地,从而限制了它们的应用.
- 需要可持续的CW基板和方法来缓解蚊子繁殖和减少土地足迹.
研究的目的:
- 调查使用森林残留物 (棕树枝) 作为全面SF-CW的可持续填充材料的有效性.
- 评估空气化与棕树枝基板结合对废水处理性能的影响.
- 评估这种方法的潜力,以解决传统CW的局限性,包括环境影响和土地利用.
主要方法:
- 一个全尺寸的水平地表流构建的湿地被修改,用棕树枝填充.
- 该系统在有或没有通风的情况下运行,以评估处理效率.
- 监测的关键参数包括大肠杆菌,大肠杆菌总数,BOD5,度,去除率和表面负荷.
主要成果:
- 用棕树枝填充CW增加了清除大肠杆菌和大肠杆菌总数的百分比.
- 填充和通风的组合显著改善了BOD5,度和氨的去除.
- 表面负荷分析显示,单独填充时,大肠杆菌和大肠杆菌总体增加,而对于BOD5,度,大肠杆菌,大肠杆菌总体和含填充加空气.
结论:
- 棕树的树枝是一个可行的,可持续的替代基板,用于建造的湿地,增强病原体的去除.
- 空气化显著提高了森林残留物填充的CW的处理效率,特别是对于有机物和营养物质的去除.
- 这项研究为设计更可持续,更有效的建造湿地提供了宝贵的见解,解决了环境问题和运营限制.
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